form {
    margin: 0;
    padding: 0;

}

.biaodan{
    width: 100vw;
    height:100vh;
    overflow: hidden;   
}
@keyframes appear{
    0%{
        margin-left: 100vmin;
    }
    100%{
        margin-left: 0vmin;
        margin-top: 0vmin;
    }
 }
.form {
    width: 100vmin;
    font-size: 3vmin;
    color: #666666;
    
    background-color: #fff;
    display: none;
    padding: 10vmin 10vmin;
}

label {
    display: block;
    margin-top: 4vmin;
}

input,
select,
button[type="submit"] {
    width: 80vmin;
    height: 10vmin;
    font-size: 3vmin ;
    border: #E5E5E5 solid 0.1px;
    border-radius: 5px;
    margin-left: 0vmin;
    margin-top: 4vmin;

}

button {
    width: 20vmin;
    height: 6vmin;
    color: white;
    font-size: 2vmin ;
    background-color: #F03D3C;
    border: 0px;
    border-radius: 5px;
}